AP837A - Synergistic Insecticide and acaricide compositions containing insect-pathogenic fungus. - Google Patents

Synergistic Insecticide and acaricide compositions containing insect-pathogenic fungus. Download PDF

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AP837A
AP837A APAP/P/1997/001011A AP9701011A AP837A AP 837 A AP837 A AP 837A AP 9701011 A AP9701011 A AP 9701011A AP 837 A AP837 A AP 837A
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APAP/P/1997/001011A
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Manfred Kern
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Hoechst Schering Agrevo Gmbh
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/30—Microbial fungi; Substances produced thereby or obtained therefrom

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  • General Health & Medical Sciences (AREA)
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  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Biotechnology (AREA)
  • Agronomy & Crop Science (AREA)
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Abstract

Novel synergistic compositions for controlling insects and Acarina The invention relates to insecticidal and acaricidal compositions of silafluofen and at least one entomopatho-genic fungus, such as, for example, Beauveria bassiana. '

Description

Description
Novel synergistic compositions for controlling insects and Acarina
Frequently, the potency of biological pesticides is insufficient to protect crops of useful plants adequately against pests. This is why, to date, preference has been given to chemical insecticides. Integrated crop protection is intended to minimize the use of chemicals without simultaneously having to accept reduced yields.
The publication of Soper et al. (1974, Environmental Entomology, 3, 560-562) discloses that the growth of entomopathogenic fungi is inhibited by the simultaneous use of insecticides. Even though this depends on the type and the amount of the agent used, it can be seen from the data that there is a powerful adverse effect on fungal growth. Filho et al. (1987, Biologico, 53, 7-12, 69-70) also report that the growth of Beauveria bassiana is inhibited by a range of insecticides. EP 0 668 722 only discloses that the fungus Beauveria bassiana can be employed in combination with endosulfan. EP 0627165 describes entomopathogenic fungi in combination with insecticides for controlling cockroaches. CA 2 086 351 furthermore describes the use of entomopathogenic fungi together with insecticides for controlling termites.
Surprisingly, biological experiments have now identified insecticides with a completely different structure which, when used jointly with spores or particles of an entomopathogenic fungus, show an exceedingly good activity against a broad spectrum of a range of insects and Acarina.
The present invention relates to insecticidal and
AP/P/ 9 7/01011
AMENDED SHEET
APO Ο Ο 8 3 7
- la acaricidal compositions which comprise an effective amount of at least one insecticidal composition selected from the group of the parapyrethroids, the group of the nitromethylenes, the group of the carbamates and the group of the phenylpyrazoles in combination with at least one entomopathogenic fungus (component B).
7?
AP/P/ 9 7/01011
AMENDED SHEET
The invention particularly relates to compositions having the following insecticides as components in mixtures:
1) parapyrethroids (non-ester pyrethroids), such as, for example, silafluofen (4 - ethoxyphenyl-[3 -(4-fluoro-35 phenoxyphenyl)propyl]dimethylsilane, formula I, component
Al)
and etofenprox (2 -(4 - ethoxyphenyl)-2-methylpropyl 3-phenoxy10 benzyl ether, formula II, component A2),
u ο I 0 / L 6 /d/dV
2) nitromethylenes, such as, for example, imidacloprid (1-(6-chloro-3-pyridyImethyl)-N-nitroimidazolidin-2ylideneamine, formula III, component A3), no2
AP Ο Ο Ο 8 3 7
ΝΙ25 ( (Ε) -Ν1- [ (6-chloro-3 -pyridyl) methyl] -Ν3-cyano-Ν1methylacetamidine, formula IV, component A4) , cj
and nitenpyram ((E)-N-(6-chloro-3-pyridylmethyl)-N-ethyl-N' 5 methyl-2-nitrovinylidenediamine, formula (V) , component
A5? ,
ch2ch3 ch2n (V) ch3nh
N03) carbamates, such as, for example, fenoxycarb (ethyl 2 -(4-phenoxyphenoxy)ethylcarbamate, formula VI, component A6)
och2-ch2-nhco2-ch2ch.
(VI)
Η 0 I 0 / L 6 /d/dV
4) phenylpyrazoles, such as, for example, fipronil ( ( + ) - 5-amino-1- (2,6 -dichlo.ro-a, a, ex-trif luoro-ptolyl)-4-trifluoromethylsulfinylpyrazole-3-carbonitrile, , formula VII, component A7)
(VII)
APΟ Ο Ο 83 7
- 4 The abovementioned compounds are all known from the literature (Pesticide Manual, 10th Edition, Brit. Crop Prot. Council, 1994) and, commercially available.
A particularly interesting action against insects is shown by a mixture of’ silafluofen and fungi of the genera Acremonium, Acanthomyces, Aschersonia, Aspergillus, Beauveria, Culicinomyces, Engyodontium,
Funicularis, Hymenstilbe,
Fusarium,
Gibellula,
Hirsutella,
Metarhizium, Nomuraea, Paecilomyces, Paraisaria, Pleuro10 desmopora, Polycephalomyces, Pseudogibellula, Sorosporella, Sporothrix, Stilbella, Tetracrium, Tetranacrium, Tilachlidium, Tolypocladium, and Verticillium. All these genera are assigned to the section of the Deuteromycota (Samson et al., Atlas of Entomopathogenic Fungi,
1988, Springer Verlag).
Fungi of the gene'ra Hirsutella, Verticillium, Metarhizium, Beauveria, Paecilomyces and Nomuraea are of particular interest.
The mycoinsecticide constituent can be present in a 20 variety of forms: as conidiospores, as biastospores, as bundles of hyphae, as hyphal fragments or as a mixture of two or more of the abovementioned forms.
AP/P/ 9 7/01011
In particular, the invention relates to insecticidal and acaricidal compositions which comprise the fungus Beau25 veria bassiana or Metarhizium anisoplii.
The fungus Beauveria bassiana has been described by Bassi, A. (1836, C. R. Acad. Sci. Paris 2, 434 to 436), Domsch, V. H. et al. (190, Compendium of Soil Fungi 1, 136 to 139) and Samson, R. A. et al. (1988, Atlas of
Entomopathogenic Fungi, Springer-Verlag, Berlin) and is available from Mycotech (Butte, Montana, USA), from Hoechst Schering AgrEvo GmbH and from Troy Sciences (formerly Fermone Corp.) (Phoenix, Arizona, USA). In the
ΑΡ 0 0 Ο 8 3 7
term active substance is also components A or B.
two components can vary within in particular, on the component on the development stage of the text which follows, the used for each of the two
The mixing ratios of the wide limits. They depend, employed in the mixture, pests and on the climatic conditions.
The invention also relates to compositions which comprise the two components A and B in addition to suitable formulation auxiliaries.
The active substance combinations according to the invention can exist not only as mixed formulations of the two components which are then diluted with water in the customary manner or applied as granules, but also in the form of so-called tank mixes by jointly diluting the components, which are formulated separately, With water.
ί
Based on these formulations, it is also possible to prepare combinations with other pesticidally active substances, such as selective herbicides and specific fungicides or insecticides, and also fertilizers and/or growth regulators, for example in the form of a readymix or a tank mix.
AP/P/ 97/01011
The components can be formulated in a variety of ways, depending on the biological and/or chemico-physical parameters which prevail. Suitable formulation options are, for example: yeast formulations, starch formulations, wettable powders (WP) , emulsifiable concentrates (EC) , aqueous solutions (SL) , emulsions (EW) such as oilin-water and water-in-oil emulsions, sprayable solutions or emulsions, oil- or water-based dispersions, suspoemul30 sions, dusts (DP), seed treatment products, granules for soil application or spreading, or water-dispersible granules (WG), ULV formulations, microcapsuleB or baits (substrates) .
AP Ο Ο Ο 8 3 7
Oil-in-water and water-in-oil emulsions, wettable powders or granules are of particular interest.
These individual formulation types are-known in principle and are described, for example, in: Winnacker-Kiichler,
Chemische Technologie [Chemical Technology], Vol. 7,
C. Hauser Verlag Munich, 4th Ed. 1986; van Valkenburg, Pesticide Formulations, Marcel Dekker N. Y. , 2nd Edition 1972 - 73; K. Martens, Spray Drying Handbook, 3rd Edition, G. Goodwin Ltd. London.
The formulation auxiliaries required, such as inert materials, surfactants, solvents and other additives, are also known and are described, for example, in: Watkins Handbook of Insecticide Dust Diluents and Carriers, 2nd Edition, Darland Books, Caldwell N. J.; H. v. Olphen,
Introduction to Clay Colloid Chemistry, 2nd Edition, J. Wiley & Sons, N. Y., Marsden, Solvents Guide, 2nd Edition, Interscience, N. Y. 1950; McCutcheon's, Detergents and Emulsifiers Annual, MC Publ. Corp., Ridgewood’ N. J.; Sisley and Wood, Encyclopedia of
Surface Active Agents, Chem. Publ. Co. Inc., N. Y. 1964; Schonfeldt, Grenzflachenaktive Athylenoxidaddukte [Surface-active Ethylene Oxide
Verlagsgesell., Stuttgart 1976;
Chemische Technologie [Chemical Technology], Vol. 7, C. 25 Hauser Verlag Munich, 4th Ed. 1986.
Adducts], Wiss. Winnacker-Kiichler,
AP/P/ 9 7/01011
Wettable powders are preparations which are uniformly dispersible in water and which, besides the active substance, also comprise wetting agents, for example polyoxyethylated alkylphenols, polyoxyethylated fatty alcohols or fatty amines, alkane sulfonates or alkylbenzene sulfonates, and dispersants, for example sodium lignosulfonate, sodium 2,2'-dinaphthyImethane-6,6'disulfonate, sodium dibutylnaphthalene sulfonate, or else sodium oleoylmethyltaurinate, in addition to a diluent or inert substance.
AP000837
Emulsifiable concentrates are prepared by dissolving the active substance in an organic solvent, for example butanol, cyclohexanone, dimethylformamide, xylene, or else higher-boiling aromatic compounds or hydrocarbons, with the addition of one or more emulsifiers. Examples of emulsifiers which can be used are: calcium alkylarylsulfonates, such as calcium dodecylbenzenesulfonate, or non-ionic emulsifiers, such as fatty acid polyglycol esters, alkylaryl polyglycol ethers, fatty alcohol polyglycol ethers, propylene oxide/ethylene oxide condensates, alkyl polyethers, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters or polyoxyethylene sorbitol esters.
Dusts can be obtained by grinding the active substance 15 with finely divided solid substances, for example talc, natural clays, such as kaolin, bentonite and pyrophyllite, or diatomaceous earth.
Granules can be produced either by spraying the active substance onto adsorptive, granulated inert material or by applying active substance concentrates to the surface of carriers, such as sand, kaolinites or granulated inert material, by means of binders, for example polyvinyl alcohol, sodium polyacrylate or, alternatively, mineral oils. Suitable active substances can also be granulated in the manner which is conventional for the production of fertilizer granules, if desired in a mixture with fertilizers .
AP/P/ 9 7/0101
As a rule, the agrochemical preparations comprise 0.0001 to 99 percent by weight, in particular between 0.0005 and
0 95%, particularly preferably between 2 and 90%, of the two' components A and B. The low concentrations i.e.
0.0001 to 2% are advantageously used for controlling undesirable social insects, as this has been suggested in
P-44 03 062.2.
APO Ο Ο 8 3 7
The concentrations of the active substances A and B may differ in the formulations.
The concentration of active substance in wettable powders is, for example, about 10 to 90% by weight; the remainder to 100% by weight is composed of conventional formulation components. In the case of emulsifiable concentrates, the concentration of active substance can be about 1 to 90% by weight, preferably 5 to 80% by weight. Formulations in the form of dusts comprise about 1 to 3 0% by weight, preferably 5 to 20% by weight, of active substance, sprayable solutions about 0.05 to 80% by weight, preferably 2 to 50% by weight, of active substance. In the case of granules, for example water-dispersible granules, the active substance content depends partly on whether the active compound is in liquid or solid form and on which granulation auxiliaries and fillers are used. As a rule, water-dispersible granules comprise between 1 and 95% by weight, granules for spreading between 1 and 50%, preferably between 2 and 25%. Baits have an active substance content of between 0.0001 and 10% as regards component 1.
The use concentration can vary between 0.1 ppm (2 0.0001 g/1) and 10,000 ppm Q 10 g/1), preferably between 0.5 and 5,000 ppm, particularly preferably between 5 and 1,000 ppm.
AP/P/ 9 7/01011
A mixture which has proved effective comprises the insecticidal component and mycoinsecticidal component used in such a ratio that the content of component A amounts to between 0.01 and 50%, preferably 0.1 to 50%, and the amount of mycoinsecticide to 102 to 1015 spares, preferably 105 to 1012 spores, or between 0.01 g and
1,000 g of formulated substance.
In addition, the active substance formulations mentioned comprise, if appropriate, the adhesives, wetting agents, dispersants, emulsifiers, penetrants, solvents, fillers
ΑΡ ο Ο ο 8 3 7
- 9 or carriers which, are conventional in each case.
For use, the formulations, which are present in i-oTrnmAT-ci al ly available form, are diluted, if appropriate, in a customary manner, for example using water in the case of wettable powders, emulsifiable concentrates, dispersions and water-dispersible granules. Preparations in the form of dusts or granules for soil application or spreading and sprayable solutions are usually not further diluted with other inert substances before use.
The component B can be formulated for example as described by Prior, C. et al. in the Journal of Invertebrate Pathology 52, 66 to 72 (1988). Preferably, component B is formulated as proposed in P 44 04 702.9
The application rate of the mixture required varies with the external conditions, such as, for example, temperature, humidity and the like. It also depends on the particular field of application and on the plant to be treated and can therefore vary within wide limits. It is between 1 g/ha and 200 g/ha, preferably between 20 g/ha and 100 g/ha, particularly preferably between 40 g/ha and 80 g/ha in the case of component A (for example silafluofen).
AP/P/ 9 7/01011
In the case of the entomopathogenic fungus, it is between 10 g of conidia/ha and 1,000 g of conidia/ha, preferably between 20 g of conidia/ha and 400 g/ha.
108 to 1010 g of conidia of an entomopathogenic fungus are approximately 1 g.
The- two components A and B can be applied simultaneously or in succession. It makes sense to carry out the second application after the first application has dried on the plant so as to avoid undesirable washing off of the first component.
AP Ο Ο Ο 8 3 7
- 10 The combination of component (A) and the entomopathogenic fungi (B) is well tolerated by plants, has a favorable toxicity to warm-blooded species and is suitable for controlling animal pests in agriculture, in particular insects and arachnids.
The synergistic mixture of the two components is active against normally sensitive and resistant species and against certain stages of development. The compositions according to the invention have an outstanding insecti10 cidal activity against a broad spectrum of economically important pests. Some representatives of pests which can be controlled by the compositions according to the invention may be mentioned individually by way of example, but this is not intended as a limitation to certain species.
From the order of the Isopoda, for example, Oniscus asellus, Armadium vulgare and Porcellio scaber. From the order of the Diplopoda, for example, Blaniulus guttulatus. From the order of the Chilopoda, for example,
Geophilus carpophagus and Scutigera spec.. From the order of the Symphyla, for example, Scutigerella immaculata. From the order of the Thysanura, for example, Lepisma saccharina. From the order of the Collembola, for example, Onychiurus armatus. From the order of the
Orthoptera, for example, Blatta orientalis, Periplaneta americana, Leucophaea maderae, Blattella germanica, Acheta domesticus, Gryllotalpa spp., Locusta migratoria migratorioides, Melanoplus differentialis and Schistocerca gregaria. From the order of the Dermaptera, for example, Forficula auricularia.
AP/P/ 9 7/01011
From the order of the Mallophaga, for example, TrichoFrom the order of the Anoplura, for example, Phylloxera vastatrix. Pemphigus spp., Pediculus humanus corporis,
Haematopinus spp. and Linognathus spp.
APO 0 0 8 3 7
- 11 dectes spp. and Damalinea spp.. From the order of the Thysanoptera, for example, Hercinothrips femoralis and Thrips tabaci. From the order of the Heteroptera, for example, Eurygaster spp., Dysdercus intermedins, Piesma quadrata, Cimex lectularius, Rhodnius prolixus and Triatoma spp.. From- the order of the Homoptera, for example, Aleurodes brassicae, Bemisia tabaci, Trialeurodes vaporariorum, Aphis gossypii, Brevicoryne brassicae, Cryptomyzus ribis, Doralis fabae, Doralis pomi, Eriosoma lanigerum, Hyalopterus arundinis, Macrosiphum avenae, Myzus spp., Phorodon. humuli, Rhopalosiphum padi, Empoasca spp., Euscelis bilobatus, Nephotettix cincticeps, Lecanimn corai, Saissetia oleae, Laodelphax striatellus, Nilaparvata Ingens, Aonidiella aurantii, Aspidiotus hederae, Pseudococcus spp. and Psylla spp..
From the order of the Lepidopfeera, for example, Pectinophora gossypiella, Bupalus piniarius, Cheimatobia brumata, Lithocolletis blancardella, Hyponomeuta padella,
Plutella maculipennis, Malacosoma neustria, Euproctis chrysorrhoea, Lymantria spp., Bucculatrix thurberiella, Phyllocnistis citrella, Agrotis spp., Euxoa spp., Feltia spp., Earias insulana, Heliothis spp., Laphygma exigua, Mamestra brassicae, Panolis flammea, Prodenia litura,
Spodoptera spp., Trichoplusia ni, Carpocapsa pomonella, Perileucoptera coffeella, Pieris spp., Chilo spp., Pyrausta nubilalis, Ephestia kuehniella, Galleria mellonella, Tineola bisselliella, Tinea pellionella, Hofmannophila pseudospretella, Cacoecia podana, Capua 'reticulana, Choristoneura fumiferana, Clysia ambiguella,
Homona magnanima, Tortrix viridana.
AP/P/ 9 7/01011
From the order of the Coleoptera, for example, Anobium punctatum, Hypothemenus hampei, Rhizopertha dominica,
Bruchidius obtectus, Acanthoscelides obtectus, Hylotrupes bajulus, AgelaBtica alni, Leptinotarsa decemlineata,
Phaedon cochleariae, Diabrotica spp., Psylliodes chrysoAP Ο Ο Ο 8 3 7
- 12 cephala, Epilachna varivestis, Atomaria spp., Oryzaephilus surinamensis, Anthonomue spp., Sitophilus spp., Otiorrhynchus sulcatus, Cosmopolites sordidus, Ceuthorrhynchus assimilis, Hypera postica, Dermestes spp.,
Trogoderma spp., Anthrenus spp., Attagenus spp., Lyctus spp., Meligethes aeneus, Ptinus spp., Niptus hololeucus, Gibbium psylloides, Tribolium spp., Tenebrio molitor, Agriotes spp., Conoderus spp., Melolontha melolontha, Amphimallon solstitialis and Costelytra zealandica.
From the order of the Hymenoptera, for example, Diprion spp., Hoplocampa spp., Lasius spp., Monomorium pharaonis and Vespa spp..
From the order of the Isoptera, the families Mastotermitidae, Kalotermitidae, Hodotermitidae (in particular Hodotermitinae, Termopsinae), Rhonotermitidae (in particular Coptotermitinae,· Heterotermitinae, Psammotermitinae), Termitidae (in particular Macrotermitinae, Nasutitermitinae, Termitinae), for example Mastotermes sp . , such as Mastrotermes darwiniensis, Cryptotermes sp . , Incistitermes sp. , Kalotermes sp. , such as Kalotermes flavicollis, Margin!termes sp., Anaconthotermes sp., Zootermopsis sp., Coptotermes sp., such as Coptotermes formoeanus, Heterotermes sp. , Psammotermes sp., Prorhinotermes sp. , Schedorhinotermes sp., Allodontermes sp. , Nasutitermes sp., Termes sp., Amitermes sp., Globitermes sp., Microcerotermes sp., Oniscus asellus, Armadium vulgare, Porcellio scaber, Reticulitermes sp. , such as Reticulitermes flavipes, Reticulitermes lucifugus.
AP/P/ 9 7/01011
The use of the active substance combinations according to 30 the invention, in particular silafluofen and fipromil in combination with Beauveria bassiana, results in a particularly advantageous activity against termites of the family Kalotermitidae, such as, for example, Cryptotermes cubioceps, Kalotermes spp., or of the family
Rhinotermitidae, such as, for example, Coptotermes
APOΟ 0 8 3 7
- 13 formosus, Heterotennes spp., or of the family Termitidae, such as, for example, Nasutitermes spp., or of the family Mastotermitidae, such as, for example, Mastotermes darwinieusis.
From the faun 1 γ of the Formicidae, for example Atta cephalotes, Lasius niger, Lasius brunneus, Componotus ligniperda, Monomorium pharaonis, Solenopsis geminata, Monomorium minimum, Iridomyres humilis, Dorylus sp. , Exition sp..
a 10 From the super- fami 1 γ of the Vespoidea, for example Vespa germanica, Vespa vulgaris, Vespa media, Vespa saxonica, Vespa crabro, Vespula macalata, Polistes nympha, Vespa orintalis, Vespa mandarinia, Vespa velutina.
From the super-family of the Apoidea, the so-called 15 killer bee may be mentioned.
From the order of the Diptera, for example, Aedes spp., Anopheles spp., Culex spp., Drosophila melanogaster, Musca spp., Fannie spp., Calliphora erythrocephala, Lucilia spp., Chrysomyia spp., Cuterebra spp., Gastro20 philus spp., Hypobosca spp., Stomoxys spp., Oestrus spp., ’ Hypoderma spp., Tabanus spp., Tannia spp., Bibio hortulanus, Oscinella frit, Phorbia spp., Pegomyia hyoscyami, Ceratitis capitata, Dacus oleae and Tipula paludosa.
From the order of the Siphonaptera, for example, Xenop25 sylla cheopis and Ceratophyllus spp.. From the order of the Arachnida, for example, Scorpio maurus and Latrodectus mactans. From the order of the Acarina, for example, Acarus siro, Argas spp., Ornithodoros spp.,
Dermanyssus gallinae, Eriophyes ribis, Phyllocoptruta oleivora, Boophilus spp., Rhipicephalus spp., Amblyomma spp., Hyalomma spp., Ixodes spp., Psoroptes spp.,
Chorioptes spp., Sarcoptes spp., , Tarsonemus spp., Bryobia praetiosa, Panonychus ·θρρ. and Tetranychus spp.
AP/P/ 9 7/01011
AP ο Ο Ο 8 3 7
- 14 The combination according to the invention, of silafluofen and the entomopathogenic fungi is particularly suitable for controlling sensitive and resistant Heliothis spp., Anthonomus spp., Hypothememus hampei,
Spodoptera spp., Nephotettix spp., Nilaparvata lugens, Trichoplusia spp., Leptinotarsa decemlineata and other feeding (termites, ants) and sucking insects, such as whitefly, or spider mites.
The active substance combinations according to the ' invention allow an insecticidal and acaricidal activity to be achieved which exceeds what is to be expected on the basis of the activity of the individual components. These increases in activity allow the application rates of the individual active substances to be reduced con15 siderably. The combination of the active substances can also improve their long-term activity or cause an acceleration of the rate of activity. Such properties are of considerable advantage to the user for controlling insects in practice. They allow insects to be controlled more economically and more rapidly, with less labor and over a prolonged period, which means that better yields can be harvested in a population of crop plants.
A further increase in activity can be achieved by using so-called feeding attractants or phagostimulants, such as, for example, Konsume (from Pharmone), ATPlus, yeast, starch, Stirrup (from Atochem, North America Inc., USA) and Coax.
AP/P/ 9 7/01011
Even though the compositions according to the invention have an outstanding insecticidal and acaricidal activity,
0 the crop plant is not harmed at all. This is why the compositions are particularly suitable in cotton, soya bean and rice crops. Very particularly advantageous is their use in rice and tea crops, because the climatic conditions are particularly advantageous for both products. They are also suitable for controlling pests
AP Ο Ο Ο 8 3 7
- 15 in coffee, fruit and vegetable production, or else in viticulture.
The following examples are intended to illustrate the invention without imposing any restriction:
A. Biological Examples
In all cases, a differentiation was made between the calculated and the found degree of effectiveness of the combinations .
If the actual damage exceeds the damage expected by way 10 of calculation, then the activity of the combination is superadditive, i.e. there is a synergistic effect. The active substance combinations according to the invention have an insecticidal activity which exceeds that to be expected on the basis of the observed activities of the individual components when used by themselves. This means that the active substance combinations are synergistic.
Example 1: Spodoptera littoralis in combination with silafluofen
Pyrethroid-resistant larvae of the Egyptian cotton 20 leafworm (Spodoptera littoralis, L 3) together with suitable feed were sprayed with the active substances or mixture of these. The effect of the individual components and of the mixtures of the individual components was assessed 6 days after keeping the test material at 25°C and a relative atmospheric humidity of 80%.
AP/P/ 9 7/01011
ΑΡ ο Ο ο 8 3 7
Active Active substance in ppm % Mortality
substance/
component
Silafluofen (Al) 125 100
63 100
31 30
16 10
8 0
Beauveria 2.3 · 101° conidia/ha 4 z
bassiana (B)
(Naturalis-L)
(A) + (B) By calcul- In the
ation experiment
(Al) + (B) 125 + 2.3 · 101° 100 100
63 + 2.3 · 101’ 100 100
31 + 2.3 · 101° 34 80
16 + 2.3 · 1010 14 80
8 + 2.3 · 101° 4 10
Example 2: Anthonomus grandis in combination with sila10 fluofen
Adult specimens of the cotton boll weevil (Anthonomus grandis) together with suitable feed (synthetic feed) were sprayed with the active substances or their mixtures. The effect of the individual components and of the mixtures of the individual components was assessed 9 days after keeping the test material at 25 °C and a relative atmospheric humidity of 90%.
AP/P/ 9 7/01011
APO 0 0 8 3 7
Active subs tance/ component Active substance in ppm % Mortality
Silafluofen (Al) 125 100
63 70
31 40
16 30
δ 0
Beauveria 4.6 • IO10 conidia/ha 40
bassiana (B)
(Naturalla-L)
(A) + (B) By calcul- In the
ation experiment
(Al) + (B) 125 + 4.6 · 10 100 100
63 + 4.6 · 10” 74 100
31 + 4.6 · IO10 44 60
16 + 4.6 · 10” 34 50
8 + 4.6 · 10” 4 10
AP/P/ 9 7/01011
AP Ο Ο ο 8 3 7
- 18 Example 3: Nilaparavata lugens in combination with silafluofen
Larvae of the rice planthopper (Nilaparvata lugens) were placed on rice plants which had previously been immersed in aqueous solutions composed of active substances or of their mixtures. The effect of the individual components or of the mixtures of individual components was assessed 6 days after keeping the test material at 25°C and a relative atmospheric humidity of 80%.
10 Active subs tance/component Active substance in ppm % Mortality
Silafluofen (Al) 63 100
31 70
16 40
8 20
4 20
2 0
Beauveria bassiana (B) 2.3 · IO10 conidia/ha 28
(Naturalis-L)
(A) + (B) By calcul- In the
ation experiment
15 (Al) + (B) 63 + 2.3 · 10” 100 100
31 + 2.3 · 10” 98 100
16 + 2.3 · 10” 68 90
8 + 2.3 · 10” 48 80
4 + 2.3 · 10” 48 70
2 + 2.3 · 10” 28 50
AP/P/ 9 7/01011
AP ο ο Ο 8 3 7
- 19 Example 4: Nilaparvata lugens in combination with etofenprox
Larvae of the rice planthopper (Nilaparvata lugens) were placed on rice plants which had previously been immersed in aqueous solutions composed of active substances or of their mixtures. The effect of the individual components or of the mixtures of individual components was assessed 6 days after keeping the test material at 25°C and a relative atmospheric humidity of 80%.
10 Active Active substance in ppm % Mortality
subs tance/component
Etofenprox (A2) 63 100
31 70
16 30
8 0
4 0
2 0
Beauveria baaaiana (B) 2.3 · 10“ conidia/ha 28
(Natural is-L)
(A) + (B) By calcul- In the
ation experiment
15 (A2) + (B) 63 + 2.3 · 10“ 100 100
' *£ 31 + 2.3 · 10“ 98 100
16 + 2.3 · 10“ 58 80
8 + 2.3 · 10“ 28 80
4 + 2.3 · 10“ 28 60
2 + 2.3 · 10“ 28 40
AP/P/ 9 7/010
APO 0 0 8 3 7
- 20 Example 5: Nilaparvata lugens in combination with imidacloprid
Larvae of the rice planthopper (Nilaparvata lugens) were placed on rice plants which had previously been immersed in aqueous solutions composed of active substances or of their mixtures. The effect of the individual components or of the mixtures of individual components was assessed 6 days after keeping the test material at 25 °C and a relative atmospheric humidity of 80%.
Active Active subetance in ppm % Mortality
substance/component
Imidacloprid (A3) 63 80
31 50
16 40
8 30
4 10
2 . 0
Beauveria bassiana (B) 2.3 · IO10 conidia/ba 28
(Naturalis-L)
(A) + (B) By calcul- In the
a tion experiment
(A3) + (b, 63 + 2.3 · IO10 100 100
31 + 2.3 · IO10 78 100
16 + 2.3 · IO1’ 68 100
8 + 2.3 · 10” 58 90
4 + 2.3 · 10” 48 70
2 + 2.3 · 10” 28 70
I
AP/P/ 9 7/01011
APO Ο ο 8 3 7
- 21 Example 6: Spodoptera littoralis in combination with NI25
Pyrethroid-resistant larvae of the Egyptian cotton leafworm (Spodoptera littoralis, L 3) together with suitable feed were sprayed with the active substances or their mixtures. The effect of the individual components or of the mixtures of the individual components was assessed 6 days after keeping the test material at 25°C and a relative atmospheric humidity of 80%.
© 10 Active substance/component Active substance in ppm % Mortality'
NI-25 (A4) 500 50
250 30
125 10
63 0
31 0
16 0
8 0
Beauveris basaiana (B) 2.3 · 10 10 conidia/ha 4
(Natural is-L)
(A) + (B) By calcul- In tbe
ation exp eriment
(A4) + (B) 500 + 2.3 · IO10 54 100
250 + 2.3 · IO10 34 100
6¾ 125 + 2.3 · 101’ 14 80
63 + 2.3 · IO1’ 4 40
31 + 2.3 · IO10 4 10
16 + 2.3 · IO10 4 0
8 + 2.3 · IO10 4 0
<Ί>,
AP/P/ 9 7/01011
Example 7: Nilaparvata lugens in combination with
Nitenpyram (TI-304)
Tit
C.-3F /1¾
AP Ο Ο Ο 8 3 7
- 22 Larvae of the rice planthopper (Nilaparvata lugens) were placed on rice plants which had previously been immersed in aqueous solutions'composed of active substances or of their mixtures. The effect of the individual components or of the mixtures of individual components was assessed 6 days after keeping the test material at 25 °C and a relative atmospheric humidity of 80%.
Active Active substance in ppm % Mortality
substance/component
Nitenpyram 63 70
(TI-304) (A5) 31 30
16 30
8 0
4 0
2 0
Beauveria bassiana (B) 2.3 · 103D conidia/ha 28
(Naturalis-L)
(A) + (B) By calcul- In the
a tion experiment
(A5) + (B) 63 + 2.3 · IO10 100 100
31 + 2.3 · 101° 58 100
16 + 2.3 · 101° 58 70
8 + 2.3 · 101° 28 50
4 + 2.3 · 10“ 28 30
2 + 2.3 · 101° 28 30
AP/P/ 9 7/01011
APO 0 0 8 3 7
- 23 Example 8: Spodoptera littoralis in combination with, fenoxycarb
Pyrethroid-resistant larvae of the Egyptian cotton leafworm (Spodoptera littoralis, L 3) together with suitable feed were sprayed with the active substances or their mixtures. The effect of the individual components or of the mixtures of the individual components was assessed 6 days (10 days in the case of fenoxycarb) after keeping the test material at 25 °C and a relative atmos10 pheric humidity of 80%.
Active Active substance in ppm % Mortality
substance/component
Fenoxycarb (A6) 250 100
125 50
63 30
31 0
16 0
8 0
Beauveria bassiana (B) 2.3 · 10” conidia/ha 22
15 (Naturalis-L)
(A) + (B) By calcul- In the
ation experiment
Λ
(A6) + (B) 500 + 2.3 · IO10 100 100
7.4.:3 250 + 2.3 · 101’ 100 100
125 + 2.3 · 1010 72 100
63 + 2.3 · 10” 52 100
31 + 2.3 · 1010 22 70
16 + 2.3 · 10” 22 80
8+2.3· 10” 22 60
AP/P/ 9 7/01011
Example 9: Spodoptera littoralis in combination with fipronil
APO Ο 0 8 3 7
- 24 Pyrethroid-resistant larvae of the Egyptian cotton leafworm (Spodoptera littoralis, L 3) together with suitable feed were sprayed with the active substances or their mixtures. The effect of the individual components or of the mixtures of the individual components was assessed 6 days after keeping the test material at 25°C and a relative atmospheric humidity of 80%.
© 10
Active Active substance in ppm % Mortality
substance/component
Fipronil (A7) 125 40
63 20
31 0
16 0
8 0
Beauveria bassiana (B) 2.3 · 101° conidia/ha 4
(Naturalis-L)
(A) + (B) By calcul- In the
ation experiment
(A7) + (B) 125 + 2.3 · IO10 44 100
63 + 2.3 · 101° 24 80
31 + 2.3 · 10” 4 40
16 + 2.3 · 10” 4 30
8 + 2.3 · 10” 4 20
AP/P/ 9 7/01011
AP Ο ύ Ο 8 3 7
- 25 Example 10: tathomomus grandis in combination with fipronil
Adult specimens of the cotton boll weevil (Anthonomus grandis) together with suitable feed (synthetic feed) were sprayed with active substances or their mixtures. The effect of the individual components and of the mixtures of the individual components was assessed 9 days after keeping the test material at 25°C and a relative atmospheric humidity of 90%.
Active Active substance in ppm % Mortality
substance/
component
Fipronil (A7) 125 100
63 100
31 70
16 40
8 0
4 0
Beauveria 4.6 · 101° conidia/ba 40
bassiana (B)
(Naturalis-L)
tA) + (B) By calcul- In the
ation experiment
(A7) + (B) 125 + 4.6 · 1010 100 100
63 + 4.6 · 101° 100 100
31 + 4.6 · 101° 100 100
16 + 4.6 · 1010 80 100
8 + 4.6 · 101° 40 90
4 + 4.6 · 101° 40 80
AP/P/ 97/01011

Claims (8)

1. An insecticidal and/or acaricidal composition which comprises an effective content of at least one insecticidal compound selected from the group of the parapyrethroids, the group of the carbamates and the group of the phenylpyrazoles (component A) and at least one entomopathogenic fungus (component B).
2. A composition as claimed in claim 1, in which the mycoinsecticide is selected from the group of the genera Hirsutella, Verticillium, Metarhizium, Beauveria, Paecilomyces or Nomouraea.
3. A composition as claimed in claim 1, wherein the mycoinsecticide used is Beauveria bassiana.
4. A composition as claimed in claim 1, which comprises an effective content of at least one compound selected from the group consisting of silafluofen, etofenprox, NI25, fenoxycarb and fipronil.
5. A composition as claimed in claim 1, wherein the mycoinsecticide is composed of blastospores.
6. A composition as claimed in claim 1, wherein the mycoinsecticide is composed of mycelium or mycelial fragments.
7. An insecticidal and/or acaricidal composition, which comprises 1 to 99% by weight of a composition as claimed in claim 1 in addition to customary formulation auxiliaries.
8. ' A method of controlling insect pests or acarids, which comprises applying an effective amount of the i ι ο l 0 / L 6 /d/dV
ΑΡ Ο Ο Ο 8 3 7
- 27 claimed in claim 1 in addition to customary formulation auxiliaries.
APAP/P/1997/001011A 1994-12-21 1995-12-12 Synergistic Insecticide and acaricide compositions containing insect-pathogenic fungus. AP837A (en)

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US5888989A (en) 1999-03-30
CN1171032A (en) 1998-01-21
CA2208507A1 (en) 1996-06-27
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MX9704725A (en) 1997-10-31
AP9701011A0 (en) 1997-07-31
TW350755B (en) 1999-01-21
EP0798961A1 (en) 1997-10-08
OA10431A (en) 2001-12-07
AU715520B2 (en) 2000-02-03
HUT77792A (en) 1998-08-28
JPH11507010A (en) 1999-06-22
WO1996019112A1 (en) 1996-06-27
GEP20002170B (en) 2000-07-25
PL320888A1 (en) 1997-11-10
AU4343596A (en) 1996-07-10

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